9 Va. Admin. Code § 5-40-940 - Standard for visible emissions

A. The provisions of Article 1 (9VAC5-40-60 et seq.) of this part (Emission Standards for Visible Emissions and Fugitive Dust/Emissions, Rule 4-1) apply except that the provisions in subsection B of this section apply instead of 9VAC5-40-80 A.
B. No owner or other person shall cause or permit to be discharged into the atmosphere from any fuel burning equipment unit any visible emissions which exhibit greater than 20% opacity, except for one, six-minute period in any one hour of not more than 60% opacity. Failure to meet the requirements of this section because of the presence of water vapor shall not be a violation of this section.


9 Va. Admin. Code § 5-40-940
Derived from VR120-04-0807, eff. January 1, 1985; amended, Virginia Register Volume 15, Issue 12, eff. April 1, 1999.

Statutory Authority

§ 10.1-1308 of the Code of Virginia.

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